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FKIE_CVE-2015-7701

Vulnerability from fkie_nvd - Published: 2017-08-07 20:29 - Updated: 2026-06-17 00:32
Summary
Memory leak in the CRYPTO_ASSOC function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (memory consumption).
References
cve@mitre.orghttp://rhn.redhat.com/errata/RHSA-2016-0780.htmlThird Party Advisory
cve@mitre.orghttp://rhn.redhat.com/errata/RHSA-2016-2583.htmlThird Party Advisory
cve@mitre.orghttp://support.ntp.org/bin/view/Main/NtpBug2909Vendor Advisory
cve@mitre.orghttp://www.debian.org/security/2015/dsa-3388Third Party Advisory
cve@mitre.orghttp://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlThird Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/77281Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.securitytracker.com/id/1033951Third Party Advisory, VDB Entry
cve@mitre.orghttps://bugzilla.redhat.com/show_bug.cgi?id=1274255Issue Tracking, Third Party Advisory, VDB Entry
cve@mitre.orghttps://security.gentoo.org/glsa/201607-15Third Party Advisory, VDB Entry
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20171004-0001/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2016-0780.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2016-2583.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://support.ntp.org/bin/view/Main/NtpBug2909Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2015/dsa-3388Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/77281Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1033951Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1274255Issue Tracking, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201607-15Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20171004-0001/Third Party Advisory

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              "version": "n/a"
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Memory leak in the CRYPTO_ASSOC function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (memory consumption)."
    },
    {
      "lang": "es",
      "value": "Una fuga de memoria en la funci\u00f3n CRYPTO_ASSOC en ntpd en NTP 4.2.x en versiones anteriores a 4.2.8p4, y 4.3.x en versiones anteriores a 4.3.77 permite que atacantes remotos provoquen una denegaci\u00f3n de servicio (consumo de memoria)."
    }
  ],
  "id": "CVE-2015-7701",
  "lastModified": "2026-06-17T00:32:59.497",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
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          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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        "exploitabilityScore": 3.9,
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  "published": "2017-08-07T20:29:00.620",
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-772"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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